This pack contains 10 replacement cutter blades from SDI, measuring 100x18mm each. The high-quality steel blades are designed for precise cutting and come in a protective case for safe storage and handling. Key features: • Pack of 10 replacement blades • Blade dimensions: 100x18mm • Made by trusted brand SDI • Sharp, durable steel construction • Comes in protective storage case • Compatible with standard utility knives These SDI replacement blades are ideal for both professional and DIY use. The blades feature a standard size that fits most utility knife handles. Each blade is individually segmented for extended use - when one section becomes dull, it can be snapped off to reveal a fresh cutting edge. Always handle with care and dispose of used blades properly.